Home / 751,205.76-1,036,658.70-411,666.72

Finding the Fourth Proportional to 751,205.76, 1,036,658.70 and 411,666.72

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Solution

The fourth proportional to 751,205.76, 1,036,658.70 and 411,666.72 is: 568,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,205.76 : 1,036,658.70 = 411,666.72 : x
  2. Step 2: Convert to fraction form
    751,205.76/1,036,658.70 = 411,666.72/x
  3. Step 3: Cross multiply
    751,205.76x = 1,036,658.70 × 411,666.72
  4. Step 4: Simplify right side
    751,205.76x = 426,757,886,788.46
  5. Step 5: Solve for x
    x = 426,757,886,788.46/751,205.76
  6. Step 6: Final answer
    x = 568,097.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.